Research on Polarization Image Fusion Using Tetrolet Transform

De Xiang Zhang; Bao Hong Yuan; Jing Jing Zhang

doi:10.4028/www.scientific.net/AMM.713-715.1859

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 713-715Research on Polarization Image Fusion Using...

Research on Polarization Image Fusion Using Tetrolet Transform

Abstract:

Tetrolets are Haar-type wavelets whose supports are tetrominoes which are shapes made by connecting four equal-sized squares. Firstly, the magnitude of polarization image and angle of polarization image can be decomposed into low-frequency coefficients and high-frequency coefficients with multi-scales and multi-directions using tetrolet transform. For the low-frequency coefficients, the average fusion method is used. For the each directional high frequency sub-band coefficients, the larger value of region energy information measurement is used to select the better coefficients for fusion. At last the fused image can be obtained by utilizing inverse transform for fused tetrolet coefficients. Experimental results show that the proposed method can detect image features more effectively and the fused image has better subjective visual effect.